Special Features:

Next higher assembly: 4820-01-560-6274 manifold valve assembly (counterbalance valve)

Properties:

A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.